package com.learn.chapter48;

/**
 * @author: liyf
 * @create: 2025-02-10 23:02
 **/
public class StrUtils {

    public static String greeting() {
        return "hello";
    }

    public static int getLength(String str) {

        if (str == null) {
            return 0;
        }

        return str.length();
    }
}
